frilled shark,puffer fish

皱鳃鲨(frilled shark)也叫褶鳃鲨,是鲨鱼中最原始的一种,有"活化石"
among the many creatures brought to light is the frilled
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antique-illustration-of-frilled-shark-chlamydoselachus-anguineu
illustration of a frilled shark (chlamydoselachus anguineus).